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Finding the Third Proportional to 13,382 and 20,708

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Solution

The third proportional to 13,382 and 20,708 is: 32,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382 : 20,708 = 20,708 : x
  2. Step 2: Convert to fraction form
    13,382/20,708 = 20,708/x
  3. Step 3: Cross multiply
    13,382x = 20,708 × 20,708
  4. Step 4: Simplify right side
    13,382x = 428,821,264
  5. Step 5: Solve for x
    x = 428,821,264/13,382
  6. Step 6: Final answer
    x = 32,044.63

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.